1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12461913136096751
  3. MAXPEEDINGRODS LI86XU

MAXPEEDINGRODS LI86XU Beam Racing Connecting Rods 135MM

fits model: E36, E46, 325i, 328i. make: Bmw. year: 1990–2000.

Li86xu Maxpeedingrods 6x I-beam Racing Connecting Rods For Bmw 3 Series E36 E46 90-00 325i 328i 135mm

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: LI86XU ), ( Part Type: Rod ), ( Big End Diameter: 48mm/1.89 ), ( Big End Width: 21.9mm/0.862 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 135mm/5.315 ), ( Horse Power: Single ), ( Complete Set: 600-800hp ), ( Material: Forged 4340 Aircraft Chrome Moly Quality Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 6 Pieces As Showing In Picture ), ( Small End Diameter: 22mm/0.866 ), ( Strength Of The Fastening: Psi , 000 Psi, The Optional Arp L19 Material At 260, 000 Psi ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS 6x I beam Racing Connecting Rods Bmw Series 135mm fits E36 E46 325I 328I 1990–2000

The **Maxpeedingrods LI86XU 6x I-Beam Racing Connecting Rods** represent the pinnacle of performance engineering for BMW s iconic M50/M52-based inline-six engines, specifically tailored for the **E36 (1990 1998) and E46 (1998 2000) 325i and 328i models**. Designed to transform stock 135mm stroke engines into high-revving, torque-rich powerhouses, these rods are forged from **7075-T6 aluminum**, a material renowned for its exceptional strength-to-weight ratio, ensuring they can withstand the extreme stresses of aggressive forced induction or high-performance naturally aspirated setups without compromising reliability. The **6x I-Beam construction** is a masterstroke of aerospace-inspired design, distributing load evenly across the rod s cross-section to minimize deflection and fatigue, while the **optimized wrist pin offset** enhances piston ring sealing and reduces oil consumption critical for longevity under heavy loads. Each rod is **precision-machined to exacting tolerances**, featuring **honed oil holes** for superior lubrication and **customized big-end bearings** that are pre-loaded with high-performance grease to ensure smooth articulation even under extreme RPMs. The **135mm stroke compatibility** means these rods seamlessly integrate with stock crankshafts, eliminating the need for costly modifications while unlocking significant gains in horsepower and torque, particularly when paired with a high-flow turbocharger, nitrous oxide, or aggressive camshafts. Whether you're chasing street-legal track dominance or pushing the limits of a dyno-swapped beast, these rods deliver the rigidity and durability required to handle the most demanding applications without sacrificing structural integrity. Built to exceed OEM specifications, the **LI86XU rods** are a testament to Maxpeedingrods commitment to pushing BMW s legendary inline-six engines beyond their factory potential, offering a perfect blend of performance, precision, and reliability for enthusiasts who refuse to compromise.

### Pros and Cons of Buying Maxpeedingrods LI86XU 6x I-Beam Racing Connecting Rods for BMW E36/E46 (90-00) 325i/328i (135mm)

#### **Pros:**

1. **Increased Strength and Durability** The LI86XU rods are forged from high-quality 4340 steel, which is significantly stronger than stock rods. This enhances the rod s ability to handle higher torque and stress, reducing the risk of catastrophic failure, especially under aggressive driving conditions or forced induction.

2. **Improved Reliability** Stock rods are prone to fatigue, especially in high-performance applications. The I-beam design distributes stress more evenly, reducing bending and torsional forces, which can extend engine life and improve reliability over time.

3. **Better Weight Distribution** The I-beam construction is lighter than traditional rod designs while maintaining (or exceeding) strength. This can improve engine balance, reduce reciprocating mass, and potentially enhance performance, particularly in high-RPM applications.

4. **Compatibility with Forced Induction** If you plan to add a turbo or supercharger, these rods are a critical upgrade. Stock rods are not designed for the increased stress of forced induction, and upgrading to aftermarket rods is often necessary to prevent failure.

5. **High-Quality Manufacturing** Maxpeedingrods is a reputable brand known for precision machining and quality control. The rods are heat-treated and balanced, ensuring they meet strict performance standards.

6. **Warranty and Support** Maxpeedingrods offers warranties on their products, providing peace of mind in case of manufacturing defects. Their customer service is also generally well-regarded for responsiveness.

7. **Potential for Increased Horsepower** While the rods themselves do not directly increase power, their ability to handle higher stress allows for more aggressive tuning, which can lead to better performance in a properly supported engine build.

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#### **Cons:**

1. **Cost** These rods are significantly more expensive than stock rods. Prices can range well above $1,000 for a full set, depending on whether you include bolts, gaskets, or additional components. This is a substantial investment, especially for a naturally aspirated engine unless you plan to modify it further.

2. **Installation Complexity** Replacing connecting rods is a labor-intensive job that typically requires removing the engine from the vehicle. This means you ll need to budget for engine removal, installation, and potentially additional components like new crankshaft bolts, main bearings, or seals. If you re not experienced with engine work, this could add significant labor costs.

3. **Potential for Overkill (Unless Tuning)** If you re not planning to add forced induction or significantly increase power, the stock rods may still be adequate for daily driving or mild modifications. Upgrading to these rods might not provide noticeable benefits unless you re pushing the engine hard.

4. **Compatibility with Stock Components** While these rods are designed for the E36/E46 platform, you may need to ensure compatibility with other upgraded parts (e.g., crankshaft, pistons, or oil pump). Some builds may require additional components to fully leverage the rods capabilities.

5. **Risk of Improper Installation** If not installed correctly, even high-quality rods can fail. This requires careful attention to torque specifications, alignment, and proper lubrication. Cutting corners during installation could negate the benefits and even cause damage.

6. **Limited Aftermarket Support** While Maxpeedingrods is a well-known brand, some smaller or regional shops may not be familiar with their products. You may need to seek out specialists or trusted tuners for installation and support.

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### **Conclusion:**

The Maxpeedingrods LI86XU 6x I-Beam racing connecting rods are a **high-end upgrade** that is justified for serious performance builds, particularly those involving forced induction, aggressive tuning, or high-RPM applications. They offer significant strength and reliability benefits but come at a premium cost and require careful planning for installation. For naturally aspirated engines running stock power or mild modifications, the upgrade may not be necessary unless you re preparing for future power increases.

If you re committed to building a high-performance E36/E46 engine especially with a turbo or supercharger these rods are an excellent choice. However, if your goals are more modest, you might consider alternative upgrades (e.g., stronger stock rods, aftermarket pistons, or a supporting crankshaft) that offer better value for your budget.

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### **Recommendation:**

- **Buy if:** You plan to add forced induction, are building a high-RPM engine, or are pursuing a serious performance project where reliability is critical. Pair this upgrade with a supporting crankshaft, pistons, and proper lubrication (e.g., synthetic oil with high viscosity).

- **Skip if:** You re running a stock or mildly modified NA engine without plans for future power increases. In that case, focus on other upgrades (e.g., intake, exhaust, or ECU tuning) that offer better performance-to-cost ratios.

- **Consider alternatives:** If the cost is prohibitive, look into other high-quality rod options (e.g., ARP, JE, or Forged Racing) or explore supporting the stock rods with a stronger crankshaft and pistons.

Ultimately, this is an upgrade that pays off in the long term for those who need it, but it s not a "quick win" for casual tuners. Always ensure the rest of your engine build is properly supported to maximize safety and performance.

Details:

Made 6x I-Beam Racing Connecting Rods For BMW 3 Series E36 E46 90-00 325I 328I 135mm. Our representatives will provide you with detailed instructions on how to proceed. Horsepower Rating: Advertised horsepower rating: 600HP-800HP. Bores finished to: /- .005mm or .0002.

Boxes, APO/FPO addresses, or Military Mail Boxes. High Precision Control: Balanced within: /- 1 gram per rod. I-Beam Design: helps improve stiffness, reduce stress risers and weight. One Year Unlimited Mileage Quality Guarantee.

part #: li86xu price

  • $614.79

specifications pistonrinro:

  • for models: E36, E46, 325i, 328i
  • for makes: Bmw
  • for years: 1990-2000
  • brand: Maxpeedingrods
  • mpn: Li86xu
  • part type: Rod
  • big end diameter: 48mm/1.89
  • big end width: 21.9mm/0.862
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 135mm/5.315
  • horse power: Single
  • complete set: 600-800hp
  • material: Forged 4340 Aircraft Chrome Moly Quality Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin type: Bronzed Bushing Floating Pin
  • quantity: 6 Pieces As Showing In Picture
  • small end diameter: 22mm/0.866
  • strength of the fastening: Psi , 000 Psi, The Optional Arp L19 Material At 260, 000 Psi
  • weight tolerance: Balanced To / 1 Gram In Set

general pistonrinro:

  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
  • condition: New

seller pistonrinro:

  • city: Rowland height, California
  • rating: 99.2%
  • # reviews: 27981

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offer pistonrinro:

  • availability: In Stock
  • options: Ship-to-home
  • best offers: True
  • started: February 19, 2026
  • sold: 0
  • quantity: 1

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for models: e36, e46, 325i, 328i, for makes: bmw, for years: 1990-2000, part type: rod, big end diameter: 48mm/1.89, big end width: 21.9mm/0.862, california prop 65 warning: california prop 65 warning, center to center length: 135mm/5.315, horse power: single, complete set: 600-800hp, note: no instruction included, notice: this is aftermarket replcement part, pin type: bronzed bushing floating pin, quantity: 6 pieces as showing in picture, small end diameter: 22mm/0.866, strength of the fastening: psi , 000 psi, the optional arp l19 material at 260, 000 psi, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: forged 4340 aircraft chrome moly quality steel, sku: 12461913136096751,
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  • New. Offer #1 priced at $614.79 + $0.00 shipping estimate = $614.79* total. For BMW Z3 E36 1997-2003 Coupe 2.8i. For BMW 328i 528i E36 E46 M52B28.FREE SHIPPING

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